package com.atguigu.gulimall.auth.controller;

import com.alibaba.fastjson.TypeReference;
import com.atguigu.common.constant.AuthServerConstant;
import com.atguigu.common.exception.BizCodeEnume;
import com.atguigu.common.utils.R;
import com.atguigu.common.vo.MemberResponVo;
import com.atguigu.gulimall.auth.feign.MemberFeignService;
import com.atguigu.gulimall.auth.feign.ThirdPartFeignService;
import com.atguigu.gulimall.auth.vo.UserLoginVo;
import com.atguigu.gulimall.auth.vo.UserRegistVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.StringUtils;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpSession;
import javax.validation.Valid;
import javax.validation.constraints.NotEmpty;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;


/**
 * @author ming
 * @create 2022/5/4
 * @description:
 */
@Controller
public class LoginController {
    @Autowired
    private ThirdPartFeignService thirdPartFeignService;
    @Autowired
    private StringRedisTemplate stringRedisTemplate;
    @Autowired
    private MemberFeignService memberFeignService;
    @ResponseBody
    @GetMapping("/sms/sendcode")
    //验证码校验
    public R sendSmsCode(@RequestParam("phone")String phone) {
        String redisCode = stringRedisTemplate.opsForValue().get(AuthServerConstant.SMS_CODE_PREFIX + phone);
        if(!StringUtils.isEmpty(redisCode)){
            long l = Long.parseLong(redisCode.split("_")[1]);
            //TODO 接口防刷
            if(System.currentTimeMillis()-l<60000){
                //60s内不能再发
                return R.error(BizCodeEnume.VAILD_SMS_CODE_EXCEPTION.getCode(),BizCodeEnume.VAILD_SMS_CODE_EXCEPTION.getMsg());
            }
        }

        String code = UUID.randomUUID().toString().substring(0, 5);
        //防止同一个手机号60秒内再次发送验证码
        stringRedisTemplate.opsForValue().set(AuthServerConstant.SMS_CODE_PREFIX+phone,code+"_"+System.currentTimeMillis(),10, TimeUnit.MINUTES);
       // thirdPartFeignService.sendCode(phone,code );
        return R.ok();
    }
    @PostMapping("/regist")
    public String register(@Valid UserRegistVo vo, BindingResult result, RedirectAttributes redirect){
        if(result.hasErrors()){
            Map<String,String> errors = new HashMap<String,String>();
            /**
             * String field = fileError.getField();
             *                 String defaultMessage = fileError.getDefaultMessage();
             *                 errors.put(field, defaultMessage);
             */
            Map<String, String> collect = result.getFieldErrors().stream().collect(Collectors.toMap(FieldError::getField, FieldError::getDefaultMessage));
           // model.addAttribute("errors",collect);
            redirect.addFlashAttribute("errors",errors);
            return "redirect:http://auth.gulimall.com/reg.html";
        }
        //真正注册调用远程服务
         String code = vo.getCode();
        String s = stringRedisTemplate.opsForValue().get(AuthServerConstant.SMS_CODE_PREFIX + vo.getPhone());
        if (!StringUtils.isEmpty(s)){
            if(code.equals(s.split("_")[0])){
                //删除验证码
                stringRedisTemplate.delete(AuthServerConstant.SMS_CODE_PREFIX + vo.getPhone());
                 //验证码通过,调用远程服务进行注册
                R register = memberFeignService.register(vo);
                if(register.getCode()==0){
                    return "redirect:http://auth.gulimall.com/login.html";
                }else{
                    HashMap<String, String> hashMap = new HashMap<>();
                    hashMap.put("msg",register.getData("msg",new TypeReference<String>(){}));
                    redirect.addFlashAttribute("errors",hashMap);
                    return "redirect:http://auth.gulimall.com/reg.html";
                }
            }else{
                Map<String, String> map = new HashMap<String, String>();
                map.put("code", "验证码错误");
                return "redirect:http://auth.gulimall.com/reg.html";
            }
        }else{
            Map<String, String> map = new HashMap<String, String>();
            map.put("code", "验证码错误");
            return "redirect:http://auth.gulimall.com/reg.html";
        }

        
    }
    @PostMapping("login")
    public String login(UserLoginVo vo, RedirectAttributes attributes, HttpSession session){
        //远程登录
        R r = memberFeignService.login(vo);
        if(r.getCode() ==0){
            session.setAttribute(AuthServerConstant.LOGIN_USER,r.getData("data",new TypeReference<MemberResponVo>(){}));
            return "redirect:http://gulimall.com";

        }else{
            Map<String, String> errors = new HashMap<String, String>();
             errors.put("msg",r.getData("msg",new TypeReference<String>(){}));
            attributes.addFlashAttribute("errors",errors);
            return "redirect:http://auth.gulimall.com/login.html";
        }
    }
    @GetMapping("/login.html")
    public String loginPage(HttpSession session){
        Object attribute = session.getAttribute(AuthServerConstant.LOGIN_USER);
        if(attribute != null){
           return "redirect:http://gulimall.com";
        }else{
            return "login";
        }

    }
}
